bg-image($url){
	background: url($url + "@2x.png");
	@media (-webkit-min-device-pixel-ratio: 3),(min-device-pixel-ratio: 3) {
    background-image:url($url+"@3x.png")
  }
}

no-wrap(){
	text-overflow:ellipsis;
	overflow hidden;
	white-space:nowrap;
}

extend-click(){
	position relative;
	&:before{
		content:"",
		position absolute;
		top -10px;
		left -10px;
		right -10px;
		bottom -10px;
	}
}
